Harry Wolff

Pizza-Dough-Calculator. Regarding the Pizza Dough Calculator and Pizza Dough Premium apps

MonitorControl. 🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.

the-sourdough-framework. Open source book dedicated to helping you to make the best possible sourdough bread at home.

Doll. A mac app to help monitor your app badges!

happy-dom. A JavaScript implementation of a web browser without its graphical user interface

ohm. A library and language for building parsers, interpreters, compilers, etc.

valtio. 🧙 Valtio makes proxy-state simple for React and Vanilla

pure. Pretty, minimal and fast ZSH prompt

awesome-js-tooling-not-in-js. A curated list of JavaScript tooling not written in JavaScript

managers-playbook. :book: Heuristics for effective management

AreWeRustYet. Awesome list of "Are We *thing* Yet" for Rust

rust-analyzer. A Rust compiler front-end for IDEs

svg-to-react. Converts SVG assets into accessible React components with smart default props

madge. Create graphs from your CommonJS, AMD or ES6 module dependencies

compressed-size-action. GitHub Action that adds compressed size changes to your PRs.

query. 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

changesets. 🦋 A tool to manage versioning and changelogs with a focus on monorepos

jumpcutter. Automatically edits vidx. Explanation here: https://www.youtube.com/watch?v=DQ8orIurGxw

leafygreen-ui. LeafyGreen UI – LeafyGreen's React UI Kit

awesome-personal-blogs. A delightful list of personal tech blogs

vscode. Visual Studio Code

build-your-own-mint. Build your own personal finance analytics using Plaid, Google Sheets and CircleCI.

auto-changelog. Command line tool for generating a changelog from git tags and commit history

lemonade-stand. A handy guide to financial support for open source

htm. Hyperscript Tagged Markup: JSX alternative using standard tagged templates, with compiler support.

mdx-deck. ♠️ React MDX-based presentation decks

code-surfer. Rad code slides <🏄/>

RDM. Easily set Mac Retina display to higher unsupported resolutions

js-object-transform. Transform your objects to desired rich ones using declarative rules.

javascript-algorithms. 📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

gatsby-style-guide-guide. A boilerplate for creating your own custom style guide

docz. ✍ It has never been so easy to document your things!

minipack. 📦 A simplified example of a modern module bundler written in JavaScript

awesome-reasonml. A collection of awesome things regarding Reason/OCaml ecosystem.

the-bread-code. Learn how to master the art of baking the programmer way.

big. presentations for busy messy hackers

css-blocks. High performance, maintainable stylesheets.

awesome-react-context. 😎 A curated list of stuff related to the new React Context API

testing3.

create-class-names. A utility to extend the values of a classNames object.

react-waterfall. React store built on top of the new context API

immer. Create the next immutable state by mutating the current one

react-loadable. :hourglass_flowing_sand: A higher order component for loading components with promises.

unchanged. A tiny, fast, unopinionated handler for updating JS objects and arrays immutably

nwb. A toolkit for React, Preact, Inferno & vanilla JS apps, React libraries and other npm modules for the web, with no configuration (until you need it)

jsnes. A JavaScript NES emulator.

gatsby. React-based framework with performance, scalability, and security built in.

awesome-developer-streams. 👩🏿‍💻👨🏾‍💻👩🏼‍💻👨🏽‍💻👩🏻‍💻 Awesome Developers, Streaming

awesome-newsletters. A list of amazing Newsletters

lwt-node. Reason Implementation of Node.js API ✨🏎🚀✨

2018-conferences. A list of 2018 web development conferences.

react-tiny-dom. 🍙 A minimal implementation of react-dom using react-reconciler

SmileToUnlock. This library uses ARKit Face Tracking in order to catch user's smile.

amplify-js. A declarative JavaScript library for application development using cloud services.

SuperTinyIcons. Under 1KB each! Super Tiny Icons are miniscule SVG versions of your favourite website and app logos

SBSAnimoji. 🐵 Animoji app using Apples AvatarKit

css-houdini.rocks. 🎩 Very experimental with CSS Houdini

Making-a-custom-React-renderer. Tutorial on how to make a custom React renderer

PlacesToPostYourStartup. Compiled list of links from "Ask HN: Where can I post my startup to get beta users?"

react-sortable-hoc. A set of higher-order components to turn any list into an animated, accessible and touch-friendly sortable list✌️

iina. The modern video player for macOS.

esm. Tomorrow's ECMAScript modules today!

emotion. 👩‍🎤 CSS-in-JS library designed for high performance style composition

login-with. Stateless login-with microservice for OAuth

etch. Builds components using a simple and explicit API around virtual-dom

remark-vdom. Deprecated plugin to compile Markdown to Virtual DOM — please use `remark-rehype` and then something like `rehype-react`

metro. 🚇 The JavaScript bundler for React Native

history. Manage session history with JavaScript

reptar.github.io. HTML

prepack. A JavaScript bundle optimizer.

classnames. A simple javascript utility for conditionally joining classNames together

react-sketchapp. render React components to Sketch ⚛️💎

chrome-envious. Run test environments against local resources. Redirects requests for resources to any other. Useful when you want to run local JS and CSS against a deployed environment.

create-react-native-app. Create React Native apps that run on iOS, Android, and web

reactide. Reactide is the first dedicated IDE for React web application development.

react-bits. ✨ React patterns, techniques, tips and tricks ✨

await-to-js. Async await wrapper for easy error handling without try-catch

git-branches. Bash shell to show current branches and their descriptions using only default Git features

reason-react. OCaml

read-time. Calculate how long it will take you to read some text.

tree-view-extended. Atom.io package. Extend your tree-view. Add a list of open files, and a list of git modified files.

react-primitives. Primitive React Interfaces Across Targets

ghost-to-md. A tool to export your Ghost export file to a collection of markdown files.

front-end-happy-hour-picks. Each episode of Front End Happy Hour podcast our panelists share interesting picks.

TagUI. Free RPA tool by AI Singapore

staticsitegenerators. A comprehensive, partially automatically generated comparison of static site generators

connect-backbone-to-react. Connect Backbone Models and Collections to React.

mention-bot. Automatically mention potential reviewers on pull requests.

recompose. A React utility belt for function components and higher-order components.

prettier. Prettier is an opinionated code formatter.

hard-source-webpack-plugin. JavaScript

jimp. An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.

react-router. Declarative routing for React

graphql-js. A reference implementation of GraphQL for JavaScript

awesome-create-react-app. Awesome list of Create React App articles / tutorials / videos and FAQ

awesome-gif. A curated list of awesome GIF resources.

diffhtml. diffHTML is a web framework that helps you build applications and other interactive content

react-styleguidist. Isolated React component development environment with a living style guide

eslint-plugin-compat. Check the browser compatibility of your code

BetterWeather. An example application to show how to use D3 in a React Native application.

leakage. 🐛 Memory leak testing for node.

stack-on-a-budget. A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com

mongo-hacker. MongoDB Shell Enhancements for Hackers

date-fns. ⏳ Modern JavaScript date utility library ⌛️

redux-loop. A library that ports Elm's effect system to Redux

graphql-ide. ⚡️ GraphQL IDE - An extensive IDE for exploring GraphQL API's

graphiql-workspace. A graphical interactive in-browser GraphQL IDE enhanced with tabbed navigation, HTTP headers, arbitrary endpoints, etc.

svelte. web development for the rest of us

cost-of-modules. Find out which of your dependencies are slowing you down 🐢

engineer-manager. A list of engineering manager resource links.

flow-jsdoc. Use JSDoc to represent Flow annotations

aphrodite. Framework-agnostic CSS-in-JS with support for server-side rendering, browser prefixing, and minimum CSS generation

proxy-polyfill. Proxy object polyfill

babel-plugin-proxy. Use ES6 proxies today!

npm-run-all. A CLI tool to run multiple npm-scripts in parallel or sequential.

HeadlessBrowsers. A list of (almost) all headless web browsers in existence

Spelt. Delightfully simple static site generator written in Swift [NO LONGER MAINTAINED]

astroturf. Better Styling through Compiling: CSS-in-JS for those that want it all.

webpack-bundle-analyzer. Webpack plugin and CLI utility that represents bundle content as convenient interactive zoomable treemap

frontend-confs. Frontend Conferences for Speaking

git-directory-deploy. easily deploy a directory to a git branch

next.js. The React Framework

Semantic-UI-React. The official Semantic-UI-React integration

standard-version. :trophy: Automate versioning and CHANGELOG generation, with semver.org and conventionalcommits.org

Kap. An open-source screen recorder built with web technology

react-sparklines. Beautiful and expressive Sparklines React component

yarn. The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

iselectionseasonover. Is Election Season Over?

awesome-flow. A list of awesome Flow integrations, tools, tutorials, etc.

awesome-react-components. Curated List of React Components & Libraries.

awesome-mac.  This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.

reptar. static sites that roar

css-in-js. React: CSS in JS techniques comparison

flow-remove-types. 🚿 Removes Flow type annotations from JavaScript files with speed and simplicity.

proposals. Tracking ECMAScript Proposals

create-react-app. Set up a modern web app by running one command.

waypoints. Waypoints is a library that makes it easy to execute a function whenever you scroll to an element.

react-native-web. Cross-platform React UI packages

react-fiber-architecture. A description of React's new core algorithm, React Fiber

atom. :atom: The hackable text editor

hack. ⛷ Dead simple CSS framework.

snabbdom. A virtual DOM library with focus on simplicity, modularity, powerful features and performance.

slate. A completely customizable framework for building rich text editors. (Currently in beta.)

listr. Terminal task list

marky-markdown. npm's markdown parser

react-grid-layout. A draggable and resizable grid layout with responsive breakpoints, for React.

thelounge. 💬 ‎ Modern, responsive, cross-platform, self-hosted web IRC client

Mac-CLI.  macOS command line tool for developers – The ultimate tool to manage your Mac. It provides a huge set of command line commands that automatize the usage of your Mac.

serialize-javascript. Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

emoj. Find relevant emoji from text on the command-line :open_mouth: :sparkles: :raised_hands: :horse: :boom: :see_no_evil:

storybook. Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

ms. Tiny millisecond conversion utility

react-native-debugger. The standalone app based on official debugger of React Native, and includes React Inspector / Redux DevTools

tips. Most commonly used git tips and tricks.

Cacao. Pure Swift Cross-platform UIKit (Cocoa Touch) implementation (Supports Linux)

logrocket. :rocket: Record and replay user sessions to fix bugs faster.

live-transpile. Transpile your ES6 code on the fly

docker-node. Official Docker Image for Node.js :whale: :turtle: :rocket:

horizon. Horizon is a realtime, open-source backend for JavaScript apps.

yo-yo. A tiny library for building modular UI components using DOM diffing and ES6 tagged template literals

why-did-you-update. :boom: Puts your console on blast when React is making unnecessary updates.

pydux. Pydux = Python + Redux

tiny-react-renderer. Learn you a React Renderer for Great Good

feathers. The API and real-time application framework

json-server. Get a full fake REST API with zero coding in less than 30 seconds (seriously)

flexibility. A JavaScript polyfill for Flexbox

scrape-it. 🔮 A Node.js scraper for humans.

lodash. A modern JavaScript utility library delivering modularity, performance, & extras.

mobx. Simple, scalable state management.

HEAD. A simple guide to HTML <head> elements

heim. A real-time community platform.

2016-conferences. A list of 2016 web development conferences.

f8app. Source code of the official F8 app of 2017, powered by React Native and other Facebook open source projects.

denode. Debug node apps like a pro

react-flip-move. Effortless animation between DOM changes (eg. list reordering) using the FLIP technique.

building-brooklynjs. My story of how we built BrooklynJS.

cli-spinners. Spinners for use in the terminal

react. The library for web and native user interfaces.

testdouble.js. A minimal test double library for TDD with JavaScript

the-super-tiny-compiler. :snowman: Possibly the smallest compiler ever

spectacle. A React-based library for creating sleek presentations using JSX syntax that gives you the ability to live demo your code.

public-apis. A collective list of free APIs

raw-react-part-1. Learn Raw React - No JSX, Flux, ES6, Webpack, ...

Advance. Physics-based animations for iOS, tvOS, and macOS.

husky. Git hooks made easy 🐶 woof!

crouton. Chromium OS Universal Chroot Environment (EOL)

Awesome-Swift-Playgrounds. A List of Awesome Swift Playgrounds

preact. ⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

ng2_hackernews. A HackerNews application made with Angular 2 Dart.

activity-logger. Log activities, show the time it takes to complete them.

ohcrash-app. Front-end web app of OhCrash

yargs-parser. :muscle: the mighty option parser used by yargs

enzyme. JavaScript Testing utilities for React

lerna. Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

og-equity-compensation. Stock options, RSUs, taxes — read the latest edition: www.holloway.com/ec

Chameleon-Swift. UIKit for the Mac, rewritten in Swift

treed. Powerful Tree Editor

redux-devtools-extension. Redux DevTools extension.

komanda. The IRC Client For Developers

Commander. Compose beautiful command line interfaces in Swift